<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>验证码</title>
</head>
<body>
<form action="__URL__/login_do" method="post">
    <input type="text" placeholder="请输入验证码" name="code" required>
    <img src="{:U('verify')}" alt="" onclick="this.src = '{:U("verify")}?'+Math.random()" title="看不清，换一张">
    <button>登录</button>
</form>
</body>
</html>